LE12AB 데이터 시트보기 (PDF) - STMicroelectronics

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LE12AB

VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT

STMicroelectronics 

LE00AB/C SERIES

Table 1: Absolute Maximum Ratings

Symbol

VI

IO

Ptot

Tstg

Top

Parameter

DC Input Voltage

Output Current

Power Dissipation

Storage Temperature Range

Operating Junction Temperature Range

Value

Unit

20

V

Internally Limited (*)

Internally Limited (*)

-40 to 150

°C

-40 to 125

°C

(*) Our SO-8 package used for Voltage Regulators is modified internally to have pins 2, 3, 6 and 7 electrically communed to the die attach

flag. This particular frame decreases the total thermal resistance of the package and increases its ability to dissipate power when an appro-

priate area of copper on the printed circuit board is available for heatsinking. The external dimensions are the same as for the standard SO-8.

Table 2: Thermal Data

Symbol

Rthj-case

Rthj-amb

Parameter

Thermal Resistance Junction-case

Thermal Resistance Junction-ambient

Figure 1: Test Circuits

SO-8

20

55

TO-92

200

Unit

°C/W

°C/W

Note: If the Inhibit pin is left floating, the regulator is in ON mode. However, to avoid any noise picking-up, it is suggested to ground it when

the Inhibit function is not used.

Figure 2: Pin Connection (top view)

BOTTOM VIEW

SO-8

2/27

PIN 1 = VOUT

PIN 2 = GND

PIN 3 = VIN

TO-92

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